James Damore argues it was illegal for the tech giant to ax him Monday, because he had filed a complaint with the National Labor Relations Board hours before, claiming that he was subjected to “coercive statements” while working at Google.

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He was told he let go for “perpetuating gender stereotypes,” Damore told the Associated Press on Tuesday.

Damore wrote and circulated a 3,300-word manifesto titled, “Google’s Ideological Echo Chamber,” blasting the company’s “left bias” for creating a “politically correct monoculture” that ignores differences between the sexes,” according to Bloomberg News.

“These positions often require long, stressful hours that may not be worth it if you want a balanced and fulfilling life.”

Google CEO Sundar Pichai sent a memo to employees Monday, saying that pieces of Damore’s screed “violate our Code of Conduct and cross the line by advancing harmful gender stereotypes in our workplace.”

Pichai plans to address company staff at a Thursday town hall.

Google and the National Labor Relations Board both declined to comment.